Hey, can you guess which street in San Francisco was remade to be a firebreak, you know, around 1906? Sure you can. Just look at the photo. You see, it, unlike the useless, quarter-mile long, Octavia Boulevard “Livable Streets” experiment, is wide for a reason.

Omni-Vision – This referred to the rear windows on some Cessna singles, starting with the 182 and 210 in 1962, the 172 in 1963 and the 150 in 1964. The term was intended to make the pilot feel visibility was improved on the notably poor-visibility Cessna line. The introduction of the rear window caused in most models a loss of cruise speed due to the extra drag, while not adding any useful visibility